作业（1）

1、Plate

2、Bento

3、#fancy

4、Plate > apple

5、.#fancy>pilck

6、.small

7、Orange.samll

8、Bento orange.samll

9、Bento,plate,pickle

10、*

11、PLATE>*

12、late+apple

13、Bento~pickle

14、Plate>apple

15、Orange:first-child

16、.plate :only-child

17、:last-child.small

18、. :nth-child(3)

19、.:nth-last-child(4)

20. apple:first-of-type

21.plate:nth-of-type(even)<even表示奇数,odd表示偶数>

22.plate:nth-of-type(2n+3)

23.apple:only-of-type

24.  .small:only-of-type

25.bento:empty

26.apple:not(.small)